215501864

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 410387040

約数和(自身を除く): 194885176

約数列:

[1, 2, 4, 8, 83, 166, 332, 491, 661, 664, 982, 1322, 1964, 2644, 3928, 5288, 40753, 54863, 81506, 109726, 163012, 219452, 324551, 326024, 438904, 649102, 1298204, 2596408, 26937733, 53875466, 107750932, 215501864]

約数ペア:

[(1, 215501864), (2, 107750932), (4, 53875466), (8, 26937733), (83, 2596408), (166, 1298204), (332, 649102), (491, 438904), (661, 326024), (664, 324551), (982, 219452), (1322, 163012), (1964, 109726), (2644, 81506), (3928, 54863), (5288, 40753)]